Desk



FIG. 1 is a top plan view of a desk showing my new and ornamental design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side view, the right side being a mirror-image thereof;

FIG. 4 is a perspective view thereof;

FIG. 5 is a rear elevational view;

FIG. 6 is a bottom view of the ornamental desk. 

The ornamental design for a desk, as shown and described. 